Globalization and urbanization have created high population density, rapid migration, growing poverty, income inequality and frequent discontent and conflict among heterogeneous populations. The writers in this volume explore how walls are changing in this era, when social "containers" have become porous, proximity has been redefined, circulation has intensified and the state as a way of organizing political life is being questioned. The authors analyze how walls articulate with other social boundaries to address feelings of vulnerability and anxiety and how they embody governmental processes, public and social contestation, fears and notions of identity and alterity. This book's authors explore walls as the consequence of a changing web of social relationships. Whether walls are physical objects on the landscape or metaphors for difference among specific groups or communities, the writers consider them as heterotopias, powerful sites around which ways of living together are contested and transformed. They also investigate how architectural planning concerning walls may de facto become a means of waging war, as well as how demolishing walls may give way to new ways of imagining security.

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